A genus of Old World porcupines characterized by large quills.

Relating to medicine or medical treatment.

The study or science of medicine.

The light band in a striated muscle fiber, consisting of thin actin filaments.

A suffix used in chemistry to denote a higher oxidation state of an element, or shorthand for ‘intracellular’.

The solid form of water formed by freezing.

Genetically modified bacteria that do not produce ice-nucleating proteins, used to prevent frost damage in crops.

A fossilized footprint or track of a prehistoric animal.

A scientist who studies trace fossils such as footprints, tracks, or burrows.

A scientist who studies fish.